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Andreas Chai and Alessio Moneta
''Comparing shapes of engel curves''
( 2009, Vol. 29 No.2 )
We measure how different the shapes of Engel curves are across 59 commodity groups. The same analysis is carried out for their derivatives and variances. While Engel curves possess a relatively homogeneous shape, significantly more heterogeneity is present in derivatives and when particular sub-classes of income are considered.
Keywords: Consumption, Kernel smoothing, Rank correlation, Curve shape
JEL: D1 - Household Behavior: General
C1 - Econometric and Statistical Methods: General
Manuscript Received : Feb 09 2009 Manuscript Accepted : May 28 2009

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